bug329 (missed optimization)

Time bar (total: 715.0ms)

start0.0ms (0%)

Memory
0.0MiB live, 0.0MiB allocated; 0ms collecting garbage

analyze7.0ms (1%)

Memory
10.4MiB live, 10.4MiB allocated; 0ms collecting garbage
Algorithm
1×search
Search
ProbabilityValidUnknownPreconditionInfiniteDomainCan'tIter
0%0%50%50%0%0%0%0
0%0%50%50%0%0%0%1
50%25%25%50%0%0%0%2
50%25%25%50%0%0%0%3
75%37.5%12.5%50%0%0%0%4
75%37.5%12.5%50%0%0%0%5
87.5%43.7%6.2%50%0%0%0%6
87.5%43.7%6.2%50%0%0%0%7
93.8%46.8%3.1%50%0%0%0%8
93.8%46.8%3.1%50%0%0%0%9
96.9%48.4%1.6%50%0%0%0%10
96.9%48.4%1.6%50%0%0%0%11
98.4%49.2%0.8%50%0%0%0%12
Compiler

Compiled 8 to 7 computations (12.5% saved)

sample612.0ms (85.5%)

Memory
-3.1MiB live, 761.9MiB allocated; 166ms collecting garbage
Samples
409.0ms8 256×0valid
Precisions
Click to see histograms. Total time spent on operations: 167.0ms
ival-div!: 117.0ms (69.9% of total)
ival-atan: 49.0ms (29.3% of total)
adjust: 1.0ms (0.6% of total)
Bogosity

explain41.0ms (5.8%)

Memory
-25.2MiB live, 74.2MiB allocated; 10ms collecting garbage
FPErrors
Click to see full error table
Ground TruthOverpredictionsExampleUnderpredictionsExampleSubexpression
00-0-(/.f64 y x)
00-0-y
00-0-(atan.f64 (/.f64 y x))
00-0-x
Confusion
Predicted +Predicted -
+00
-0256
Precision
0/0
Recall
0/0
Confusion?
Predicted +Predicted MaybePredicted -
+000
-00256
Precision?
0/0
Recall?
0/0
Freqs
test
numberfreq
0256
Total Confusion?
Predicted +Predicted MaybePredicted -
+000
-001
Precision?
0/0
Recall?
0/0
Samples
19.0ms512×0valid
Compiler

Compiled 26 to 16 computations (38.5% saved)

Precisions
Click to see histograms. Total time spent on operations: 8.0ms
ival-div!: 5.0ms (63.5% of total)
ival-atan: 3.0ms (38.1% of total)
adjust: 0.0ms (0% of total)

preprocess12.0ms (1.7%)

Memory
24.4MiB live, 24.4MiB allocated; 0ms collecting garbage
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01430
11530
044
064
064
Stop Event
1×iter-limit
1×saturated
1×iter-limit
1×saturated
Calls
Call 1
Inputs
(atan.f64 (/.f64 y x))
Outputs
(atan.f64 (/.f64 y x))
Compiler

Compiled 4 to 4 computations (0% saved)

eval0.0ms (0%)

Memory
0.1MiB live, 0.1MiB allocated; 0ms collecting garbage
Compiler

Compiled 0 to 2 computations (-∞% saved)

prune0.0ms (0.1%)

Memory
0.7MiB live, 0.7MiB allocated; 0ms collecting garbage
Alt Table
Click to see full alt table
StatusAccuracyProgram
▶100.0%
(atan.f64 (/.f64 y x))
Compiler

Compiled 4 to 4 computations (0% saved)

series4.0ms (0.6%)

Memory
7.7MiB live, 7.7MiB allocated; 0ms collecting garbage
Counts
4 → 4
Calls
Call 1
Inputs
(atan.f64 (/.f64 y x))
(/.f64 y x)
y
x
Outputs
#s(approx (atan (/ y x)) #s(hole binary64 (atan (/ y x))))
#s(approx (/ y x) #s(hole binary64 (/ y x)))
#s(approx x #s(hole binary64 x))
#s(approx y #s(hole binary64 y))
Calls

6 calls:

TimeVariablePointExpression
1.0ms
x
@inf
((atan (/ y x)) (/ y x) y x)
1.0ms
x
@-inf
((atan (/ y x)) (/ y x) y x)
1.0ms
y
@inf
((atan (/ y x)) (/ y x) y x)
1.0ms
y
@-inf
((atan (/ y x)) (/ y x) y x)
1.0ms
y
@0
((atan (/ y x)) (/ y x) y x)

rewrite18.0ms (2.6%)

Memory
-17.8MiB live, 27.9MiB allocated; 4ms collecting garbage
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01031
01131
11431
22131
33431
43531
03531
Stop Event
1×iter-limit
1×saturated
1×iter-limit
Counts
8 → 11
Calls
Call 1
Inputs
(atan.f64 (/.f64 y x))
(/.f64 y x)
y
x
#s(approx (atan (/ y x)) #s(hole binary64 (atan (/ y x))))
#s(approx (/ y x) #s(hole binary64 (/ y x)))
#s(approx x #s(hole binary64 x))
#s(approx y #s(hole binary64 y))
Outputs
(neg.f64 (atan.f64 (/.f64 (neg.f64 y) x)))
(atan.f64 (/.f64 y x))
(/.f64 (neg.f64 y) (neg.f64 x))
(/.f64 y x)
(neg.f64 (/.f64 (neg.f64 y) x))
y
x
#s(approx (atan (/ y x)) (atan.f64 (/.f64 y x)))
#s(approx (/ y x) (/.f64 y x))
#s(approx x x)
#s(approx y y)

eval1.0ms (0.1%)

Memory
2.5MiB live, 2.5MiB allocated; 0ms collecting garbage
Compiler

Compiled 63 to 24 computations (61.9% saved)

prune1.0ms (0.1%)

Memory
2.6MiB live, 2.6MiB allocated; 0ms collecting garbage
Pruning

1 alts after pruning (0 fresh and 1 done)

PrunedKeptTotal
New11011
Fresh000
Picked011
Done000
Total11112
Accuracy
100.0%
Counts
12 → 1
Alt Table
Click to see full alt table
StatusAccuracyProgram
✓100.0%
(atan.f64 (/.f64 y x))
Compiler

Compiled 8 to 8 computations (0% saved)

derivations0.0ms (0%)

Memory
0.4MiB live, 0.4MiB allocated; 0ms collecting garbage
Stop Event
1×done
Compiler

Compiled 4 to 4 computations (0% saved)

preprocess18.0ms (2.5%)

Memory
-13.6MiB live, 32.1MiB allocated; 5ms collecting garbage
Compiler

Compiled 22 to 22 computations (0% saved)

end0.0ms (0%)

Memory
0.0MiB live, 0.0MiB allocated; 0ms collecting garbage

Profiling

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